Presentation
30 years old female presented for anomaly scan at 20 weeks.
Patient Data
Age: 30 years
Gender: Female
From the case:
Chiari II malformation
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Lemon-shaped skull, banana-shaped cerebellum, obliteration of the cisterna magna, dilated lateral ventricles, and inferior displacement of the brainstem.
Case Discussion
This case shows some typical findings seen in Chiari II malformations on antenatal ultrasound. There is a lemon-shaped skull and banana-shaped cerebellum with obliteration of cisterna manga associated with dilatation of the lateral ventricles. On coronal image, inferior displacement of the brainstem through the foramen magnum can also be appreciated. A defect in the skin was noted in lumber spin with splaying of the posterior elements/ spinal dysraphism.
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